Date: Tue, 14 Mar 2000 19:08:42 -0500
Message-Id: <200003150008.TAA21146@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <8amfqu$ue5$1@newsg2.svr.pol.co.uk> (ben@vjpoole.freeserve.co.uk)
Subject: Re: Some dodgy FILE hackery
References:  <8amfqu$ue5$1 AT newsg2 DOT svr DOT pol DOT co DOT uk>
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> So, using DJGPP, is there a way to intercept read() and write() in order to
> encrypt/decrypt the data they are writing/reading? How do I do it?

Use file system extensions.  See "File System Extensions" in the docs,
or http://www.delorie.com/djgpp/doc/libc-2.02/libc_284.html